Gm/dodge Nv4500 Needle Bearing Kit, Nk-4500 on 2040-parts.com

New AutoWeek.com article-commenting system arrives

We're always looking for ways to improve autoweek.com and to make the site's features user-friendly for readers who want to take part in the discussion. On June 8, AutoWeek turned off the previous comments system and replaced it with a new one that's more in line with popular demand. You're now able to log in with any of four accounts before leaving a comment: Facebook, Yahoo, Hotmail (Windows Live) or AOL.

New Porsche 911 GT3 RS 4.0 revealed!

Pictures of the new Porsche 911 GT3 RS have leaked out on the Internet--and this street demon is expected to pack quite a punch. Displacement will grow to 4.0 liters, which helps to boost output to almost 500 hp. A version of this mill is employed in the competition version of this car as well.

Lutz's Cadillac puts on a better show than Lutz

"Hi, I'm Bob Lutz, and this is the Cadillac CTS-V Drive Challenge." General Motors Co.'s marketing chief dons his monogrammed helmet and puts Cadillac's 550-horsepower sedan through some warm-up laps at Monticello Motor Club, a members-only track. In what might have passed as a dismissible moment of Lutz braggadocio, "Maximum" Bob has challenged anyone with a four-door sedan to beat his 2010 CTS-V. Though not a showman by trade, Lutz is bankable for amusing, bald-faced assessments of his employer, his critics and the auto industry at large.